How to get a dict of attributes from a (data)class

class_instances_attr.py

from dataclasses import dataclass, field, asdict
import random

from faker import Faker

faker = Faker()


@dataclass
class Purchase:
    username: str = field(default_factory=faker.user_name)
    currency: str = field(default_factory=faker.currency_code)
    amount: int = field(default_factory=lambda: random.randint(100, 200000))


p = Purchase()
assert vars(p) == asdict(p)
# True